<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="//at.alicdn.com/t/font_1886957_d0jlevoz0zj.css">
    <style>
        *{
            padding: 0;
            margin: 0;
            list-style: none;
        }
        a{
            text-decoration: none;
        }
        .gouwuche-container{
            width: 120px;
            height: 40px;
            background-color: #999;
            padding-left: 20px;
            cursor: pointer;
        }
        .gouwuche-container span{
            font-size: 18px;
            color: #eee;
            line-height: 40px;
        }
        .dispaly{
            width: 500px;
            height: 0px;
            box-shadow: 0 5px 10px red;
            transition:height 1s linear;
            color: #fff;
            overflow: hidden;
        }
        .gouwuche-container:hover{
            background-color: #fff;
        }
        .gouwuche-container:hover span{
            color: orangered;
        }
        .gouwuche-container:hover+.dispaly{
            height: 200px;
        }
    </style>
</head>
<body style="background-color: #000;">
    <div class="gouwuche-container">
        <span class="iconfont icon-gouwuche"></span>
        <span>购物车(0)</span>
    </div>
    <div class="dispaly">
        qwertyh 
    </div>
</body>
</html>